A digital transmission carries a randomly mixed set of voice packets. The occurr

Question

A digital transmission carries a randomly mixed set of voice packets. The occurrence statistics of packets are designated in 6 groups. The number of occurrences of each group and the corresponding random value of the associated bit rates are as follows: Determine the following of the RV (Bit rate - R_i): Find the upper and lower bounds of the average performance of the RV State with reason the most appropriate mean value that describes the average performance of the bit rate Find the expected mean, median and mode digitized video transmission carries a randomly mixed set of video packets. The occurrence statistics of the packets are designated in 6 groups. The video transmission involves streaming of packets wherein the statistics of occurrence of bit rate in each packet depends strongly on bit-rate values in consequent packets streamed. The number of occurrences of each group and the corresponding random value of the associated bit rates are as follows: Determine the following of the RV (Bit rate - R_i): Find the upper and lower bounds of the average performance of the RV State with reason the most appropriate mean value that describes the average performance of the bit rate Find the expected mean, median and mode

Explanation / Answer

Solution (1)

Upper bound of the average performance = 4160

Lower bound of the average performance = 2850

Mean Value of the Performance = (4160 + 3658 + 3300 + 3596 + 2850 + 3660)/6 = 3537.333

Median of the performance is = 3596 + 3658 = 3627

Event Enumerated Bit Rates in Kbps No. of occurances Performance 1 64 65 4160 2 59 62 3658 3 60 55 3300 4 62 58 3596 5 57 50 2850 6 61 60 3660

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